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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Springtails and allies (Collembola) » Globular Springtails (Symphypleona) » Sminthuroidea » Sminthuridae » Sminthurinae » Sminthurus » Sminthurus incisus
Photo#1850657
Sweep-netted Springtail - Sminthurus incisus
Copyright © 2020 calebcam

Sweep-netted Springtail - Sminthurus incisus
Douglas County, Colorado, USA
July 8, 2020
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Contributed by calebcam on 8 July, 2020 - 5:38pm
Last updated 10 July, 2020 - 9:52am

Moved
Moved from Sminthurus.
… Ken Wolgemuth, 10 July, 2020 - 9:52am login or register to post comments

Sminthurus incisus
Given your recent other posts it is neither nigromaculatus nor mencenbergae. S. incisus is the nearctic lookalike of the common palaearctic S. viridis.
… Frans Janssens, 10 July, 2020 - 9:47am login or register to post comments

Moved
Moved from Springtails and allies.
… Ken Wolgemuth, 9 July, 2020 - 9:37am login or register to post comments

Sminthurus sp.
Most probably S. nigromaculatus. BTW, in collembola.org nigromaculatus is considered to be an ecovariant of viridis.
But there are two candidates for the species :
1. mencenbergae
2. nigromaculatus
We need a close-up of the eye in lateral aspect :
in mencenbergae ocellus A is close to B
in nigromaculatus there is a distinct gap between ocellus A and B
We need a dorsal aspect close-up of the 3 spots of the small abdomen :
in mencenbergae the 2 spots on abd.6 are not equal in width (the first is wider than the second)
in nigromaculatus the 2 spots on abd.6 are equal in width
… Frans Janssens, 9 July, 2020 - 9:33am login or register to post comments

 
Thanks!
I will try to get better pictures next time.
… calebcam, 9 July, 2020 - 10:32am login or register to post comments

Moved to Collembola for expert attention
Moved from ID Request.
… Ken Wolgemuth, 8 July, 2020 - 6:44pm login or register to post comments

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